f225d484b3
many bugs fixed in existing search phrase query updated to support gaps in term sequence new query types all,none,match,phrase match and new query syntax search, like google search: +/-(optional field qualifier:)<term or quoted phrase>
85 lines
1.9 KiB
Go
85 lines
1.9 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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package search
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import (
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"github.com/couchbaselabs/bleve/index"
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)
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type MatchAllSearcher struct {
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index index.Index
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query *MatchAllQuery
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reader index.DocIdReader
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scorer *ConstantScorer
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}
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func NewMatchAllSearcher(index index.Index, query *MatchAllQuery) (*MatchAllSearcher, error) {
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reader, err := index.DocIdReader("", "")
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if err != nil {
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return nil, err
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}
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scorer := NewConstantScorer(query, 1.0, query.Explain)
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return &MatchAllSearcher{
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index: index,
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query: query,
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reader: reader,
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scorer: scorer,
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}, nil
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}
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func (s *MatchAllSearcher) Count() uint64 {
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return s.index.DocCount()
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}
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func (s *MatchAllSearcher) Weight() float64 {
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return s.scorer.Weight()
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}
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func (s *MatchAllSearcher) SetQueryNorm(qnorm float64) {
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s.scorer.SetQueryNorm(qnorm)
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}
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func (s *MatchAllSearcher) Next() (*DocumentMatch, error) {
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id, err := s.reader.Next()
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if err != nil {
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return nil, err
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}
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if id == "" {
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return nil, nil
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}
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// score match
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docMatch := s.scorer.Score(id)
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// return doc match
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return docMatch, nil
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}
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func (s *MatchAllSearcher) Advance(ID string) (*DocumentMatch, error) {
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id, err := s.reader.Advance(ID)
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if err != nil {
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return nil, err
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}
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if id == "" {
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return nil, nil
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}
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// score match
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docMatch := s.scorer.Score(id)
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// return doc match
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return docMatch, nil
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}
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func (s *MatchAllSearcher) Close() {
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s.reader.Close()
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}
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